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Contract OI history

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Dec 17, 2027 EXPIRATION

CMCSA $35.00 Call

CMCSA271217C00035000

Latest saved OI1,073Oct 23, 2026
Last change-14vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CMCSA $35.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,0875430 2026-10-09: 1,070 OI2026-10-13: 1,070 OI2026-10-14: 1,070 OI2026-10-15: 1,070 OI2026-10-16: 1,070 OI2026-10-21: 1,087 OI2026-10-23: 1,073 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

CMCSA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,073-14
Oct 21, 20261,087+17
Oct 16, 20261,0700
Oct 15, 20261,0700
Oct 14, 20261,0700
Oct 13, 20261,0700
Oct 09, 20261,070No prior observation